Apparatus for marking sheet material



Jan. 15, 1929.

1,699,337 A. WILLIAMS. JR

APPARATUS FOR MARKING SHEET MATERIAL Filed June 23, 1927 2 Sheets-Sheet l Patented Jan. 15, 1929.

ABCHIIBALD wiLLIAms, an, or WATERTOWN, MASSACHUSETTS, AssIeNon T0 noon SACHUSE'ITS.

RUBBER COMPANY, OF WATERTOWN, MASSACHUSETTS, A CORPORATION OF MAS- APPARATUS Eon MARKING SHEET MATERIA a jsumm filed June 23, 1927.1 Serial No. 200,867.

This invention relates to an apparatus for marking sheet material. The apparatus is particularly adapted for. use in connection with the marking of sheet rubber. In the manufacture of sheet rubber there are many different compounds employed and many different gages of material, and it is there fore desirable, as the sheet rubber comes from the calender, to mark it at that time with its proper gage number and compound. a

In marking rubber, it is necessary to use a fluid which contains a pigment and solvent which will remain permanently upon the rubber when once printed thereon and will not injure the material. It is also desirable in certain cases to print the gage and the quality in more than one place laterally of the sheet of rubber as well as longitudinally so that when the sheet is cut into strips the gage and compound will be indicated on each of the strips. x

It has been found thata markin fluid, consisting as hereinbefore set forth of a pigment and a solvent commingled, which is practicable for marking rubber sheeting, will, if left quiescent for any appreciable length of time, separate into its different ingredients, namely, into the pigment and the solvent, and the solvent will not make any visible mark upon the sheet. rubber. It is, therefore, very necessary that the marking fluid should be constantly agitated, and it is the object of this invention to provide an apparatus which will not onlyprint the numbers and letters upon the sheet rubber to indicate the gage and quality, but also the apparatus must be so constructed as to con stantly agitate the marking fluid when the same is being used.

It is further the object of this invention to construct the apparatus in such a manner that the printing device may be lifted out .of contact with the sheet material and automatically held out of contact as long as ma be desired. a

The invention consists in the apparatus.

for marking sheet material hereinafter described in the specification and particularly in the combination of elements set forth in the claims. 1

Referring to the drawings:

Figure 1 is an endelevation of an apparaon line 7 7, Fig. 5.

Fig. 8 IS a plan of a segmentalclampplate.

tus for marking material embodying my invention.

a Fig. 2 is a side elevation of the same.

Fig. 3 is an enlarged sectional elevation taken on the line 33,of Fig. 1.

51g. 4 is a sectionalelevation of the inking ro a Fig. 5 is a side elevation rier, broken away. V

Fig. 6 is a. detail sectional elevation taken on the line 6-6, of Fig. 5.

Fig. 7 is a detail sectional of the type car;

elevation taken Like numerals refer to like parts throughout the several views of thedrawings.

In the drawings, 10, 10 are side frames,

upon which are pivotally mounted a rocker frame 11 comprising a pair of side bars .12 spaced apart and mounted to rock at their upper ends upon a shaftl3 which is fastened at its opposite ends in brackets 14 on the side frames 10. A rotary type carrienwheel 15 is mounted to rotate upon astationary shaft 16 which Is fastened atitsopposite ends to the sidebars 12 of the rocker frame 11.

Type plates 17 aremounted upon a per tion of the periphery of the type carrier 15. These type plates are bevelled at their opposite ends at 18 (Fig. 6) and are held upon l the I'lIIl 19 of the type carrier by plates 20 which are fastened by bolts 21 to opposite sides of the l'llIl 19and have their upper edges bent inwardly at 22 to embrace the bevelled ends of the type 17. These plates 20 thus position the type laterally of the rim, while circumferentially of the rim, the type plates 17 are positioned by one end of a segmental flange23 which constitutesa printing member and is adaptedto printan elongated line between adjacent series of lmpresslons of the type. The series of type 17 are positioned atone end. of said series,

therefore, by the segmental flange 23 and at the opposite end they are positioned by a segmental plate 24 which is slottedat 25to receive a clamp bolt 26 which extends a through the rim 19 and is clamped thereto by means of a nut 27. y

i It will beseen by this construction that any desired number of type platescan be positioned upon the rim 19 of the type car 1 fluidas theinking roll is rotated in the oper-- bafiles which perform the function ofagitat ing and thoroughly stirring the marking ation of the apparatus. The hollow niembers 29 constitute trunoated cones. and are provided with circumferential flanges 32 which are spaced apart to form an annular groove in whicha ring of absorbent material 34l is positioned. flanges35 and 36 011 the members 29 abutagainst each other and form one wall of the chamber 31 A portion of the hollow members 29 constitute truncated cones, and hubs 37 and 38' constituting trunnions on the outer ends of said truncated cones project into bayonet slots 39 in theside bars 12 of the rocker frame 11, so that the inking roll 28, due to the downwardly inclined positionof the rocker frame 11, rests with its peripheral ring 3a. in contact with the faces of the type and of the segmental flange 23 as the type carrier is rotated by contact with the rubber sheeting a whichis, carried upwardly in the direction of the arrow a from the calender rolls by an apron 4E1.

A roll 42 rotatably mounted upon the frame is positioned adjacent to the rotary type carrier on the opposite face of the belttherefrom, this roll 4,2 being an idler and constituting a support for the apron 41 and the material 40 thereon during the printing operation. The slots 39 enable the inking roll 28 to move upwardly and downwardly as the occasion may require,

in order that perfect contact of thefelt ring.

34; with the type face may beinsured. The

ring 34 is provided with marking fluid from the interior of the inking roll28. through orifices 43 in the flanges and 36. Mark ing fluid is introduced into the interior of the inking roll 29 through an orifice 4A which is closedby ascrei r-threaded plug 45,

W'Vhen it is desired to throw out of action the printing apparatus hereinbefore clescribed, it may be done by means of a latch 46 WlllCllflS pivoted upon a rod -l7 fastened to the side bars 12 of the rocker frame 11. This latch is provided with a tooth 48 which is adapted to entera groove l9 in the shaft 13 when the parts are inthe positions shown in dotted lines, Fig. 3. A. torsional spring 50, one end of which is fast tothe latch l6 and the other to one of theside frames 12, holds the tooth 48in the slot 49 and when it is desired to throw the apparatus into Circumferential.

operation, this latch is lifted by means of a thumb piece 51 out of the slot 4-9 and the rocker frame is then allowed to assume the downwardly inclined position illustrated in Fig. 2, with the type carrier roll 15 in contact with the material on the belt tl.

The operation of the device hereinbe'lore described is as follows :---The apron a l with the material. 40 thereon mores from the calender rolls upwardly in the direction of the arrow a betu'een the roll. 42 and the type carrier 15, causing the type carrier to rotate in'the direction of the arrow 5. As the faces of thetype and of the flange 23 contact with the material 40, the numbers and letters are printed upon the surface thereof. The type carrier being rotated by frictional contact also rotates the inking roll. 28 in the direction of. the arrow 0, Fig. v2. The marking fluid in the inking roll 29 is keptconstantly agitated by the passage therethrough of the bolts 30 and by therotation of theinking roll, so that the pigment does not separate fromthe solvent but the ingredients of the marking fluid are constantly comminglcd.

Inthe drawings, Fig. 1, a single e1nbodiment of my invention. is illustrated, but if desired a plurality of the pivotally mounted frames with their respective type carriers and inking rolls may be mounted on the shaft 13, so that when it is desired to print a pluralityof series of numerals and letters on the sheet material it may be done. The occasion for printing a plurality of series of numerals and letters onthe sheet material arises when itis desired to slit the material into a plurality of strips, inwhich case each of the strips would have the numerals and letters printed thereon, indicating the gage and quality of the material.

I claim:

1. An inking roll for a printing apparatus having, in combination, a pair of oppositely disposed hollow members fastened together and forming a chamber adapted to contain marking fluid, circumferential flanges on the peripheries of said hollow members, spaced apart and forming an annular groove, a ring of absorbent material positioned in said annular groove and connected by orifices with said chamber, and bolts extending transversely of said roll, through said (hamber and constituting batlles to agitate said marking fluid when the roll rotated.

2. An inking roll for a printing apparatus having, in combination, a pair of oppositely disposed hollow members, fastened together and forming a chamberadapted to contain marking fluid, a trunnion on each' of said hollow members, circuniferential flanges on said hollow members, spaced apart and forming an annular groove, a ring of absorbent material positioned in said annular groove and connected by orifices with said chamber, and bolts extending transversely of said roll, through said chamber, and constituting an annular groove, a ring of absorbent matebaffles to agitate said marking fluid when the rial positioned in said annular groove and roll is rotated. connected by orifices with said chamber, and

3. An inking roll for a printing apparatus bolts extending transversely of said roll,

5 having, in combination, a pair of oppositely through said chamber and constituting baflles 15 disposed hollow truncated cones fastened to agitate said marking fluid when the roll together and forming a chamber adapted is rotated. to contain marking fluid, circumferential In testimony whereof I have hereunto set flanges on the peripheries of said hollow my hand.

10 truncated cones, spaced apart and forming ARCHIBALD WILLIAMS, JR. 

